西藏生态环境区划研究

A Study on the Regionalization of Ecological Environment in Tibet

西藏地域面积广大，各地区的自然和社会经济条件差异十分显著．在计算各县生物生产量（Ｉ）和社会经济系统对环境作用强度（Ｓ） 的基础上，将西藏自治区划分为６ 个生态环境地区。

Tibet is a spacious area,and there is significant difference in different part of the region in natural and social\|economical conditions.In this paper,the purpose,theoretical basis and process for regionalization of ecological environment in Tibet are outlined.Tibet Autonomous Region is divided into 6 Eco\|environmental regions,i.e.,North\|East Tibet Region,South\|East Tibet Region,South Tibet Region,West Tibet Region and South\|West Tibet Region.The basic characteristics of each region are outlined also.